Fig. 6From: Physiological characterization of chitin synthase A responsible for the biosynthesis of cuticle chitin in Culex pipiens pallens (Diptera: Culicidae)Ultrastructure of pupal cuticle from CpCHSA-deficient mosquitoes, as determined by transmission electron microscopy (TEM). a, b The pupal abdomen cuticles in the NC (a) and the siCHSA groups (b) at 12Â h after injection. c, d The pupal abdomen cuticles in the NC (c), and the siCHSA groups (d) at 24Â h after injection. EC Epithelial cell, PC pore canalBack to article page